Home / 226,109.60-338,720.89-131,140.27

Finding the Fourth Proportional to 226,109.60, 338,720.89 and 131,140.27

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Solution

The fourth proportional to 226,109.60, 338,720.89 and 131,140.27 is: 196,453.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,109.60 : 338,720.89 = 131,140.27 : x
  2. Step 2: Convert to fraction form
    226,109.60/338,720.89 = 131,140.27/x
  3. Step 3: Cross multiply
    226,109.60x = 338,720.89 × 131,140.27
  4. Step 4: Simplify right side
    226,109.60x = 44,419,947,405.37
  5. Step 5: Solve for x
    x = 44,419,947,405.37/226,109.60
  6. Step 6: Final answer
    x = 196,453.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.